Toshiba MMU-AP0071MH, MMU-AP0181MH, MMU-AP0151MH, MMU-AP0091MH

Toshiba MMU-AP0071MH, MMU-AP0181MH Optional Connector Specifications of Indoor P.C. Board

Page 98

8-1-3. Optional Connector Specifications of Indoor P.C. Board

Function	Connector	Pin		Specifications		Remarks
Function	No.	No.		Specifications		Remarks
	No.	No.

Humidifier output	CN66	•	DC12V			In heating, thermo ON, Fan ON, Humidifier output ON
						* Humidifier provided, Drain pump ON is set up by CN70
		‚	Output			* Humidifier provided, Drain pump ON is set up by CN70
		‚	Output			short-circuit or from remote controller. (DN=40)

Fan output	CN32	•	DC12V			Shipment setup: ON with indoor unit operation and OFF
						with stop are linked.
		‚	Output			* Single operation by FAN button on remote controller is set
		‚	Output			up from remote controller (DN=31)
						up from remote controller (DN=31)

—	CN61	•	ON/OFF input			HA ON/OFF input
						(J01: YES/NO=Pulse (At shipment) / Static input select)

		‚	0V (COM)

		ƒ	Main prohibition input			Operation stop of main remote controller is permitted /
						prohibited by input.

		„	Operation output			ON during operation (Answerback of HA)

		…	DC12V (COM)

		†	Alarm output			ON during alarm output

Option output	CN60	•	DC12V (COM)

		‚	Defrost output			ON when outdoor unit is defrosted

		ƒ	Thermo ON output			ON during Real thermostat ON (Compressor ON)

		„	COOL output			ON when operation mode is cooling system
						(COOL, DRY, Cool/Heat Auto cooling)

		…	HEAT output			ON when operation mode is heating system
						(HEAT, Cool/Heat Auto cooling)

		†	Fan output			ON when indoor fan is ON
						(During use of air cleaner/Interlock cabling)

Outside error input	CN80	•	DC12V (COM)			Generate check code “L30” (for 1 minute continuously) to
						stop forcedly the operation.
		‚	DC12V (COM)			stop forcedly the operation.
		‚	DC12V (COM)

		ƒ	Outside error input

—	CN20	—			—	—

—	CN70	—			—	—

CHK operation check	CN71	•	Check mode input			Used for indoor operation check.
						(Outdoor does not communicate with remote controller, and
		‚	0V			outputs specified operation such as indoor fan “H”, drain
		‚	0V			pump ON, etc.)
						pump ON, etc.)

DISP exhibition mode	CN72	•	Display mode input			Exhibition mode enables to communicate by indoor unit and
						remote controller only.
		‚	0V			remote controller only.
		‚	0V			(When power has been turned on.) Timer short (Usual)

EXCT demand	CN73	•	Demand input			Indoor unit forced thermostat OFF operation

		‚	0V

Image 98

Contents

Compact 4-Way Air Discharge Cassette Type Contents Safety Caution Fire is caused at user’s side Check the following items after reinstallationCatch the inner cables Metal section Earth positionPiping Safety Caution Concerned to New RefrigerantPipe Materials Flare nutTools R410A Conventional air Air conditioner installationConditioner installation General tools Conventional tools can be used4mm-hexagonal wrench is required Recharge of RefrigerantEnvironment Cylinder with siphonConstruction Views External Views Space required for Installation and servicingWired remote Drain-up standing-up sizeMCC-1402 Wiring DiagramFor Indoor unit Control P.C. boardName of Each Part Parts RatingParts Rating ModelParts Name of Remote Controller Display sectionButton Remote controller sensorOperation section Wind direction and SwingPreparation Turn on the main power switch and/or the leakage breakerCorrect Usage StopStart Automatic Operation Super Heat Recovery Type OnlyWhen restarting the operation after stop Cancel of timer operation Timer OperationTimer operation To select SET TimeHow to start swinging Adjustment of Wind DirectionHow to set up the air direction How to stop swingingInformation Air Conditioner Operations and Performance When the Following Symptoms are Found StandbyTo Disconnect the Appliance from Main Power Supply Precautions for SafetyNew Refrigerant Air Conditioner Installation Connect all of the installation wiring correctlyInstallation space Selection of Installation PlaceInstallation space Installable ceiling height listDimensional view Installation of Indoor UnitCase of wireless type Installation of hanging bolt Ceiling opening and installation of hanging boltsInstallation of ceiling panel Sold separately Installation of remote controller Sold separatelyDrain Piping Work Thermal insulating process Piping material and dimensionsRefrigerant Piping Permissible pipe length and permissible height differenceAirtight test/Air purge, etc Electric WorkConnection of refrigerant pipe Open fully valves of the outdoor unit Gas leak checkIndoor/Outdoor inter-unit wiring, Central controller wiring Power supply specificationsIndoor unit power supply *1 Remote controller wiring *4Applicable Controls Change of lighting time of filter sign Case of installation to high ceilingCase of remote controller-less Group control Increased heating effectCase of wired remote controller How to execute test operationCase of wireless remote controller Test RUNCheck code list TroubleshootingConfirmation of error history Confirmation and check Check methodTroubleshooting Error detected by TCC-LINK central control deviceNew check code MaintenanceDaily maintenance Way Air Discharge Cassette TypeRefrigerating Cycle Diagram Functional part name Functional outlineRemote controller Control outline Command Control SpecificationsOutline of specifications Remarks Control OutlineReset conditions ValueTCB-AX21E Central control mode 4 Cannot select mode Central control mode 1 Cannot operateCentral control mode Procedure Execute the setup operation while the unit stops Applied ControlDescription At shipment HEAT, Heat → CoolRemote location ON/OFF control box TCB-IFCB-4E Applied Control in Indoor UnitIndoor unit capacity Function Ventilating fan control from remote controllerWiring OperationButton, set to the setup data Power peak-cut from indoor unitUsing the setup temp Leaving-ON prevention controlBefore troubleshooting TroubleshootingTroubleshooting Summary Troubleshooting procedureAuxiliary code Check code listCheck Method Judging deviceMG-SW Sensor block displayError detected by TCC-LINK central control device Check code Outdoor 7-segment display Auxiliary codeCheck code Confirmation of error history Troubleshooting by Check Display on Remote ControllerCase of wired remote controller RBC-AMT31E Procedure DescriptionCase of central remote controller TCB-SC642TLE Check code Auxiliary code Check codeOutdoor 7-segment display RemoteMain Outdoor 7-segment display Remote Setup method of No. capacity-over DetectionCheck code Convenient functionsRemote Main Outdoor 7-segment displayCheck code Auxiliary code DetectedRemote Check code Check item positionPosition Remote Status Error detection condition Check item positionDetected Main Check all the outdoor units in the corresponding line Check code Main Outdoor 7-segment displayH07 Check clogging of oil equation pipe between compressorsCheck code Main Outdoor 7-segment display Remote H16L30 Detected indoor address L31 P01 P03 P04 Heating TS error judgment standard temperatureName Remote Check code Auxiliary code Error detection condition Check item position Outdoor 7-segment display Check code nameDisplay on Outdoor 7-segment display Detected positionDevice Check code Central controlHow to check the outdoor fan motor How to check inverter outputHow to check resistance of compressor winding Measured position CriteriaE04 Diagnosis Procedure for Each Check CodeE03 E02E06 Decreased number of indoor units E07E15 E08E12 E09 Duplicated masterE19 E16E18 ReferenceE23 ∗ 1 How to clear the errorE20 E25F02 E31F01 F03F06 TE1 sensor error F04 TD1 sensor errorF05 TD2 sensor error F08 To sensor errorTE1, TL F29 Indoor other errorF15 Outdoor temp sensor miscabling F23H01 F31H02 H03H06 Low-pressure protective operation Clogging check for SV3D valve Leakage check for SV3C valveClogging for SV3E valve Clogging check for oil-equalization circuit H08Oil level detective circuit system error TK3 temperature detective circuit errorL05 H16 TK4 temperature detective circuit errorL04 L03L17 L07 Group line in individual indoor unitL10 L08L20 L18L29 L28P03 P01 Indoor fan motor errorL30 Interlock in indoor unit L31High-pressure SW P05 Open phase, negative phaseP04 Actuation Auxiliary code Compressor 1 sideIndoor fan motor error P07 Heat sink overheat errorP10 Indoor overflow error P12Gas leak detection P13 Outdoor liquid back detection error 1. PMV1/PMV2 errorP15 TS condition Auxiliary codeP17 Discharge temp TD2 errorP15 Gas leak detection TD condition Auxiliary codeJudgment criteria P19 Way valve operation errorP20 High-pressure protective operation P22 Outdoor fan Ipdu error Auxiliary code 0 ∗P29 P26 Tr short-circuit protection errorDetective circuit error P31Segment Display Function Check procedure in case of stop with troubleHow to read the check monitor Segment display Segment display on the outdoor unit Interface P.C. boardSW01 SW02 SW03 Display contents There is auxiliary code Check code ∗ ∗ ∗ for 3 seconds Data display of outdoor cycle Displayed on each outdoor unit SW03 SW02 Indoor address Segment display aW01 SW02 SW03 Display contents Segment display Sensor CharacteristicsTemperature sensor characteristics Segment display A, B Weekly timer Configuration of Control Circuit Wired remote controller Up to 2 units Indoor UnitCompact 4-way Air Discharge Cassette Type Connection of wireless remote controllerKit Remote WirelessCassette Type Controller Compact4-way Air Discharge Connection of both remoteMCC-1402 Compact 4-way Air DischargeType CassetteOptional Connector Specifications of Indoor P.C. Board Function Connector Pin Specifications RemarksPreparing work Part name Procedure RemarksDetachments Attachment100 No. Part name Procedure Remarks 101102 Fan guard 1. Detachment No. Part name Procedure103 Bell mouth 1. Detachment104 Fan motor 1. Detachment105 Drain pump 1. DetachmentArrow view B Details of sensor lead wire drawing106 Details of a partHeat Exchanger Recover refrigerant gas107 Exchange procedure 10. P.C. Board Exchange ProceduresExchange of P.C. Board for Indoor Service 108Procedure 1 Readout setup contents from Eeprom Remote controller operation diagramProcedure 2 Exchange of P.C. board for service 110Procedure 3 Writing-in of setup contents to Eeprom Eeprom layoutMake a note of the setup contents. Item code list Example 113 Exploded Views and Parts ListCeiling Panel Description211 Compact 4-way Air Discharge Cassette TypeMMU-AP0071MH, AP0091MH, AP0121MH, AP0151MH, AP0181MH 1140071MH 0091MH 0121MH 0151MH 0181MH 115Description Remarks Model Name 116 Description Model NameToshiba Carrier Corporation

Toshiba MMU-AP0071MH, MMU-AP0181MH Optional Connector Specifications of Indoor P.C. Board

8-1-3. Optional Connector Specifications of Indoor P.C. Board

Function

Connector

Pin

Specifications

Remarks

DC12V